GE 350

A–2 3 SERIES PROTECTIVE RELAY PLATFORM – COMMUNICATIONS GUIDE
MICS
L: System Logical Nodes Description ANSI 350 339 345
LPHD 1 Physical device information - Yes Yes Yes
LLN0 Logical node zero - Yes Yes Yes
P:Logical Nodes for protection
functions
Description ANSI 350 339 345
phsPIOC Instantaneous Overcurrent 50P Yes(2) - Yes(2)
ndPIOC Instantaneous Neutral
Overcurrent
50N Yes(2) Yes(1) Yes(2)
gndPIOC Instantaneous Ground
Overcurrent
50G Yes(2) - Yes(2)
gndPIOC Ground Fault 50G - Yes(1) -
hsePIOC Instantaneous Sensitive
Ground Overcurrent
50SG Yes(2) - Yes(2)
ngseqPIOC Instantaneous Negative
Sequence Overcurrent
50_2(46) Yes(1) - Yes(2)
scPIOC Short Circuit 50P - Yes(1) -
phsPTOC Time Phase Overcurrent 51P Yes(1) Yes(1) Yes(2)
ndPTOC Time Neutral Overcurrent 51N Yes(1) Yes(1) Yes(2)
gndPTOC Time Ground Overcurrent 51G Yes(1) - Yes(2)
hsePTOC Time Sensitive Ground
Overcurrent
51SG Yes(1) - Yes(2)
ngseqPTOC Time Negative Sequence
Overcurrent
51_2(46) Yes(1) - Yes(2)
jamPTOC Mechanical Jam 51R - Yes(1) -
unbalPTOC Current Unbalance 46 - Yes(1) -
accelPTOC Acceleration 48 - Yes(1) -
ldincPTOC Load Increase - - Yes(1) -
PTUC Phase undecurrent 37 - Yes(1) -
PTOF Overfrequency 81O Yes(4) Yes(2) -
phsPTOV Phase Overvoltage 59P Yes(4) Yes(2) -
auxPTOV Auxiliary Overvoltage 59X Yes(1) - -
ndPTOV Neutral Overvoltage 59N Yes(4) - -
ngseqPTOV Negative Sequence
Overvoltage
59_2 Yes(2) Yes(1) -
phsrevPTOV Phase Reversal Overvoltage 47 - Yes(1) -
phsPTUV Phase Undervoltage 27P Yes(4) Yes(2) -
auxPTUV Auxiliary Undervoltage 27X Yes(1) -
psseqPTUV Positive Sequence
Undervoltage
27P_1 Yes(1) Yes(2) -
PTUF Underfrequency 81U Yes(4) Yes(2) -
PTTR Thermal O/L 49 Yes(1) Yes(1) Yes(1)
PDOP Directional Power 32 Yes(2) Yes(2) -
ndPDOP Wattmetric Ground Fault 32N Yes(2) - -
PMRI Restart Inhibit 66 - Yes(1) -
PDUP UnderPower 37P - Yes(1) -
pcntPDIF Percent Differential 87T - - Yes(1)
instPDIF Instantaneous Differential 87T-50 - - Yes(1)
rgfPDIF Restricted Ground Fault RGF - - Yes(2)
PVPH Volts per Hertz 24 Yes(1) - -